38 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
bone. ... "pooping duck sign ... bone fracture ... "pooping duck sign ... #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Bone Fractures ... Scaphoid - 50-80% • Triquetral ... frequency #radiology #msk ... #orthopedics #diagnosis
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal ... Bones Capitate ... Hamate - 2 Months Triquetral ... bones! ... mnemonic #diagnosis #msk
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... "Terry Thomas" sign ... bones should be ... ("Terry Thomas sign ... #Sports #MSK
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... StressFractures #msk ... #orthopedics #pathophysiology ... #symptoms #signs
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... trapezium, capitate, triquetrum ... Disposition: Pending orthopedic ... Dislocation #Wrist #Carpal ... #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
bone. ... bone fracture ... follow-up with Orthopedics ... follow-up with PCP or orthopedics ... #Sports #MSK
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... performed, the large bone ... ECRB) The distal carpal ... Instability #Wrist #msk ... #orthopedics #clinical
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
tear a portion of bone ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
and underlying bone ... joint capsule or bone ... Dislocation #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology